Document Type and Number:
Japanese Patent JPS57184439
Kind Code:
U
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Application Number:
JP7218081U
Publication Date:
November 22, 1982
Filing Date:
May 18, 1981
Export Citation:
International Classes:
F24F13/06; F24F13/02; F24F13/08; (IPC1-7): F24F13/02; F24F13/08